CN201355243Y - Portable vegetation coverage measuring apparatus - Google Patents
Portable vegetation coverage measuring apparatus Download PDFInfo
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- CN201355243Y CN201355243Y CNU2008202341227U CN200820234122U CN201355243Y CN 201355243 Y CN201355243 Y CN 201355243Y CN U2008202341227 U CNU2008202341227 U CN U2008202341227U CN 200820234122 U CN200820234122 U CN 200820234122U CN 201355243 Y CN201355243 Y CN 201355243Y
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- camera
- vegetation coverage
- camera platform
- square
- support bar
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Abstract
The utility model relates to a portable vegetation coverage measuring apparatus, which consists of a support bar, a main rod, a camera platform and a digital camera. The support bar is a Y-shaped piece which is erected on the ground, wherein the upper side of the Y-shaped piece is provided with a section of the steel tube, and the lower side is provided with two spines; the main rod is also a steel tube and used for lifting the camera platform to a certain height; the main rod and the support rod are connected by a pin roll; the camera platform consists of a downward half ring, a horizontal ring and a horizontal square frame; one end of the main rod is controlled by a measurer, and the other end is connected with the camera platform; and the camera platform can quickly help the camera restore the level under the action of self gravity. The camera platform is a key part of the portable vegetation coverage measuring apparatus, is designed according to the principle of tripod heads, and can ensure that the digital camera fixed on the square frame can restore to the horizontal state by any shake after being in a horizontal state. The portable vegetation coverage measuring apparatus has scientific concept, simple structure and easy manufacture, can ensure that the vegetation coverage can be well extracted.
Description
(1) technical field
The utility model is a kind of portable vegetation coverage measuring instrument in the geography research, and it is used for the field measures vegetation coverage, belongs to physical geography systems technology field.
(2) background technology
Vegetation coverage in the research in fields such as ecology, water guarantor, soil, water conservancy, plant usually as the basic parameter or the factor.Existing vegetation coverage measuring method can reduce range estimation estimation algorithm, apparatus measures computing method and remote Sensing Interpretation method three classes
[1]
The method that is applicable to the vegetation coverage measurement of small scale mainly contains (1) visual mensuration: rely on the personal experience to carry out the field interpretation, but artificially subjective; (2) photographic process: ultimate principle is the vertical imaging that utilizes camera to obtain needing to survey the zone, utilizes computer image processing technology to extract vegetation information again, calculates vegetation coverage.Photographic process and ocular estimate comparative analysis find that the more objective and science of photographic process in vegetation coverage is measured has higher degree of accuracy, and therefore, photographic process has become the prefered method of the vegetation measurement of present small scale scope
[2]
Present existing photographic process has multiple embodiments, and " halieutics " is exactly wherein a kind of, and very simple and practical.This instrument is innovated improvement on the basis of " halieutics ", make this method easily and fast, stably to work to obtain necessary parameter in the open air." halieutics " needs a stock in actual measurement, at first camera is fixed on an end of bar, by the other end of manpower control lever, makes camera reach certain vertical height, then ground vegetation taken.
The technology of this method most critical is to utilize the principle of gravity by platform maintenance horizontal equilibrium,, guarantees simultaneously in shooting process that platform stable can not be rocked and shake to reduce the error of central projection in the photograph process.
Beijing Normal University's geography and remote sensing science institute are devoted to the improvement of this method always.
In August, 2007, people such as Song Kai space, He Yaqiong, Lee's looks designed " halieutics " platform---the three-way halieutics of oneself, and the artificial control line of this instrument utilization keeps the level of instrument camera plane.This instrument has been obtained certain effect, and the researcher has applied for patent (application number 200820080171.X).In September, 2007, geographical professor Zhang Wenbo of institute etc. has designed another kind of " halieutics " instrument---mono-pendulum type halieutics, and this instrument becomes camera to rotate freely around horizontal cross shaft the platform design of digital camera,
Utilize gravity by camera maintenance level.The support of above-mentioned two kinds of instruments has guaranteed the phase plane level.But first kind of camera platform keep shooting platform stable and strengthen reflection sensitive aspect more complicated, the manpower more (at least four people) that needs, man's activity is big; Second kind of camera platform enchancement factor is many, and counterbalance effect is bad, and along with the difference of camera, the usable range of this platform reduces greatly, is not easy to very much field operation.
This instrument has improved the design concept of digital camera platform based on the basis of above two kinds of instruments, utilizes the The Cloud Terrace principle to solve shortcomings such as above-mentioned stability of instrument is not high enough, automaticity is perfect inadequately, the many people of needs just can finish.
(3) summary of the invention
The purpose of this utility model provides a kind of portable vegetation coverage measuring instrument, it has overcome the deficiency that existing instrument can not guarantee camera shooting state level, horizontality preferably when realizing that camera is taken a picture, and the stability of camera level in the raising field survey, thereby make instrument more easy to operate, more portable, have more universality, can adapt to multiple field environment, extract vegetation coverage.
The utility model adopts improved The Cloud Terrace on the camera platform under the constant situation of " halieutics " surveying instrument basic framework, utilize gravity be used for guaranteeing that camera is taken the time platform stable and level.The technical solution of the utility model is: a kind of portable vegetation coverage measuring instrument, it is made up of support bar, mobile jib, camera platform and digital camera.(Fig. 1)
Described support bar (Fig. 2) is one section steel pipe above being, is the Y-piece of two spines below, and it is used for instrument is fixed on the ground, and two following spines are convenient to insert underground, make it to keep the stability of field instrument.
Described mobile jib also is a steel pipe, is used for camera platform is raised to certain altitude.Be accompanied by the difference of atural object, mobile jib can be prolonged.Connect by bearing pin between mobile jib and the support bar.
Described camera platform (Fig. 3) adopts the principle of The Cloud Terrace, and by a downward semicircular ring, the circular rings of a level and a horizontal square frame are formed.The upper boom of semicircular ring links to each other with the top of mobile jib, and respectively there is a hole at the following two ends of semicircular ring, and two little pillars on the water supply discoid ring pass and be fixing.Like this, just can the horizontal circular rings of assurance can rotate freely around semicircular ring.On horizontal circular rings, on the diametric(al) vertical, welded two curved pillars with little pillar, the mid point of two opposite side of the other end and square-shaped frame of curved pillar links to each other.On two other opposite side of square-shaped frame, be provided with two horizontal sliding bars that can slide, can adjust the width of horizontal sliding bar according to the difference of digital camera model.Horizontal sliding bar is fixed on the square-shaped frame by four screws, and when screw did not tighten, horizontal sliding bar can slide on square-shaped frame, to regulate digital camera perpendicular to the level on the horizontal sliding bar direction.In order to guarantee the stable of digital camera, on horizontal sliding bar, be provided with four hooks, so that with the fixing digital camera of bungee.Regulate plane original state level for convenience, respectively added a rider four of horizontal sliding bar hook both sides, the level of original state is regulated in the position by adjusting rider and the position of horizontal sliding bar.For the ease of seeing the level of original state, be provided with a spirit bubble at square-shaped frame one jiao, when bubble was center, the square-shaped frame plane was with regard to level.
During actual the use, support bar is a demountable structure, and mobile jib has addition rod in addition, is sleeve structure.
The technical solution of the utility model once is described in detail in detail below again, and a kind of portable vegetation coverage measuring instrument is characterized in that: it is made up of support bar, mobile jib, camera platform and digital camera; Described support bar is one section steel pipe above being, is the Y-piece of two spines below, and it stands on ground; Described mobile jib also is a steel pipe, is used for camera platform is raised to certain altitude, connects by bearing pin between mobile jib and the support bar; Described camera platform is by a downward semicircular ring, and the circular rings of a level and a horizontal square frame are formed; The upper boom of semicircular ring links to each other with the top of mobile jib, and respectively there is a hole at the following two ends of semicircular ring, and two little pillars on the flat annulus that supplies water pass and be fixing; On horizontal circular ring, on the diametric(al) vertical, welded two curved pillars with little pillar, the mid point of two opposite side of the other end and square-shaped frame of curved pillar links to each other; On two other opposite side of square-shaped frame, two horizontal sliding bars that can slide have been fixed by four screws, on horizontal sliding bar, be provided with four hooks, respectively place a rider four hook both sides, digital camera is fixed on the horizontal sliding bar by four hooks, is provided with a spirit bubble at square-shaped frame one jiao.
Wherein, this support bar is a demountable structure.
Wherein, this mobile jib has addition rod, is sleeve structure.
The following describes the principle of maintenance level in square-shaped frame plane in the shooting.
By on regard to the design of camera platform, initial the time, can regulate the square-shaped frame planar horizontal easily by slide bar and rider, the square-shaped frame planar horizontal is the camera plane level just.After reality moves, because on square-shaped frame and the axis that is connected of circle, square-shaped frame can freely swing, if on this axis, imbalance about square-shaped frame, owing to the effect of gravity, according to the principle of single pendulum, it can get back to equilibrium state again; Simultaneously, in horizontal circle, the pivot center of design is vertical with the pivot center of square-shaped frame, and therefore on this direction, according to the single pendulum principle, it also can keep balance.After this both direction kept balance, the square-shaped frame plane was with regard to the maintenance level.That is to say that the design of The Cloud Terrace is after making the object that is fixed on the square-shaped frame in a single day be in horizontality, can recover horizontality through any rocking all.
Advantage of the present utility model and effect are: this measuring instrument design science, and simple in structure, make easily.Level when it has kept digital camera to take a picture has preferably strengthened the stability when digital camera is taken a picture, thereby has improved instrument operability, portability, universality, makes it possible to extract better vegetation coverage.
(4) description of drawings
Fig. 1 instrument general effect synoptic diagram
Fig. 2 support bar synoptic diagram
Fig. 3 The Cloud Terrace detailed schematic
Fig. 4 The Cloud Terrace balance synoptic diagram
Visual angle, Fig. 5 instrument the place ahead synoptic diagram
Visual angle, Fig. 6 instrument side synoptic diagram
Fig. 7 instrument overhead view synoptic diagram
Symbol description is as follows among the figure:
1 support bar; 2 mobile jibs; 3 camera platform; 4 digital cameras; 5 semicircular ring; 6 circular rings;
7 curved pillars; 8 square-shaped frame; 9 horizontal sliding bars; 10 hooks; 11 riders; 12 spirit bubbles.
(5) embodiment
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, a kind of portable vegetation coverage measuring instrument, it is made up of support bar 1, mobile jib 2, camera platform 3 and digital camera 4.(Fig. 1)
Described support bar 1 (Fig. 2) is one section steel pipe above being, is the Y-piece of two spines below, and it is used for instrument is fixed on the ground, and two following spines are convenient to insert underground, make it to keep the stability of field instrument.
Described mobile jib 2 also is a steel pipe, is used for camera platform 3 is raised to certain altitude.Be accompanied by the difference of atural object, mobile jib 2 can be prolonged.Connect by bearing pin between mobile jib 2 and the support bar 1.
Described camera platform 3 (Fig. 3) adopts the principle of The Cloud Terrace, is made up of circular rings 6 and a horizontal square frame 8 of 5, one levels of a downward semicircular ring.The upper boom of semicircular ring 5 links to each other with the top of mobile jib 2,, respectively there is a hole at the following two ends of semicircular ring 5, pass and fix for two little pillars on the circular rings 6.Like this, just can guarantee that circular rings 6 can rotate freely around semicircular ring 5.On circular rings 6, on the diametric(al) vertical, welded two curved pillars 7 with little pillar, the mid point of 8 two opposite side of the other end and square-shaped frame of curved pillar 7 links to each other.On square-shaped frame 8 two other opposite side, be provided with two horizontal sliding bars that can slide 9, can adjust the width of horizontal sliding bar 9 according to the difference of digital camera 4 models.Horizontal sliding bar 9 is fixed on the square-shaped frame 8 by four screws, and when screw did not tighten, horizontal sliding bar 9 can slide on square-shaped frame 8, to regulate digital camera 4 perpendicular to the level on horizontal sliding bar 9 directions.In order to guarantee the stable of digital camera 4, on horizontal sliding bar 9, be provided with four hooks 10, so that with the fixing digital camera 4 of bungee.Regulate plane original state level for convenience, respectively added a rider 11 four of horizontal sliding bar 9 hook 10 both sides, the level of original state is regulated in the position by adjusting rider 11 and the position of horizontal sliding bar 9.For the ease of seeing the level of original state, be provided with a spirit bubble 12 at square-shaped frame 8 one jiao, when bubble was center, square-shaped frame 8 planes were with regard to level.
List of references:
[1] Qin Wei, Zhu Qingke etc. vegetation coverage and measuring method progress [J] thereof. Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology's journal (natural science edition) .2006,09.
[2] LuBing Jun, Liu Honggu etc. photographic process is calculated vegetation coverage Research on Accuracy [J] in conjunction with Digital image technology. water and soil conservation circular, 2007,01.
[3] Zhang Xuexia, Zhu Qingke etc. photography with digital camera estimation vegetation cover degree [J]. the journal .2008 of Beijing Forestry University, 01
Claims (3)
1, a kind of portable vegetation coverage measuring instrument is characterized in that: it is made up of support bar, mobile jib, camera platform and digital camera; Described support bar is one section steel pipe above being, is the Y-piece of two spines below, and it stands on ground; Described mobile jib also is a steel pipe, is used for camera platform is raised to certain altitude, connects by bearing pin between mobile jib and the support bar; Described camera platform is by a downward semicircular ring, and the circular rings of a level and a horizontal square frame are formed; The upper boom of semicircular ring links to each other with the top of mobile jib, and respectively there is a hole at the following two ends of semicircular ring, and two little pillars on the flat annulus that supplies water pass and be fixing; On horizontal circular ring, on the diametric(al) vertical, welded two curved pillars with little pillar, the mid point of two opposite side of the other end and square-shaped frame of curved pillar links to each other; On two other opposite side of square-shaped frame, two horizontal sliding bars that can slide have been fixed by four screws, on horizontal sliding bar, be provided with four hooks, respectively place a rider four hook both sides, digital camera is fixed on the horizontal sliding bar by four hooks, is provided with a spirit bubble at square-shaped frame one jiao.
2, a kind of portable vegetation coverage measuring instrument according to claim 1 is characterized in that: this support bar is a demountable structure.
3, a kind of portable vegetation coverage measuring instrument according to claim 1, it is characterized in that: this mobile jib has addition rod, is sleeve structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202341227U CN201355243Y (en) | 2008-12-26 | 2008-12-26 | Portable vegetation coverage measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202341227U CN201355243Y (en) | 2008-12-26 | 2008-12-26 | Portable vegetation coverage measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355243Y true CN201355243Y (en) | 2009-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202341227U Expired - Lifetime CN201355243Y (en) | 2008-12-26 | 2008-12-26 | Portable vegetation coverage measuring apparatus |
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| Country | Link |
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| CN (1) | CN201355243Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900549A (en) * | 2010-07-02 | 2010-12-01 | 北京师范大学 | Integrated portable remote-control vegetation coverage measuring instrument |
| WO2016155587A1 (en) * | 2015-04-01 | 2016-10-06 | 王科 | Mini camera stabilizer |
-
2008
- 2008-12-26 CN CNU2008202341227U patent/CN201355243Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900549A (en) * | 2010-07-02 | 2010-12-01 | 北京师范大学 | Integrated portable remote-control vegetation coverage measuring instrument |
| WO2016155587A1 (en) * | 2015-04-01 | 2016-10-06 | 王科 | Mini camera stabilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091202 Effective date of abandoning: 20081226 |